The table show speedometer readings at 10-second intervals during a 1-minute period for a car racing at the Daytona International Speedway in Florida. Time (s) Velocity (mi/h) 182.9 168.0 106.6 99.8 124.5 176.1 175.6 (a) Estimate the distance the race car traveled during this time period using the velocities at the beginning of the time intervals. Round your answer to two decimal places. [a] miles (b) Give another estimate using the velocities at the end of the time periods. Round your answer to two decimal places. [b] miles (c) Is your estimate in part (a) an upper or a lower sum? Enter "upper," "lower," or "neither." (d) Is your estimate in part (b) an upper or a lower sum? Enter "upper," "lower," or "neither.&quot